CVE-2021-42321 — Actively Exploited: Exchange (Microsoft)
An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
| CVE ID | CVE-2021-42321 |
|---|---|
| Vendor | Microsoft |
| Product | Exchange |
| Vulnerability name | Microsoft Exchange Server Remote Code Execution Vulnerability |
| Date added | 2021-11-17 |
| Remediation due | 2021-12-01 |
| Known ransomware use | Known |
| Required action | Apply updates per vendor instructions. |
| Description | An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution. |
| Source | CISA Known Exploited Vulnerabilities |
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